Screen prototypes are an excellent technique to validate the presentation and the associated data inputoutput of the use cases . users are encouraged to involve such that the completed solution is mutually accepted 屏幕原型是一种核实用例的简报及相关资料输入输出的出色技术，而用户也会获得鼓励参与这项工作，令所完成的方案是一个彼此接受的方案。
